Pouring spout



FIG. 1 is a top, front, right perspective view of the claimed design for a pouring spout;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a top view thereof.

Portions of the pouring spout not shown in the drawing form no part of the claimed design. 

CLAIM The ornamental design for a pouring spout, as shown and described. 